CPVAN Home Security System Kit(2.4GHz&5GHz WiFi), Wireless Door Alarm, APP Alert, Remote, Door/Window Sensor, Base Station, and Siren, for Kids Elders Safety, fit House/Apartment. Works with Alexa.
- ...built-in battery backup that works for 2 hours and is only used as an emergency..
- Protecting all aspects: As a door chime or alarm. When the door or windows been opened, the receiver will sound a chime or an alert and you can receive mobile notifications so that you can know someone break-in or your kids, your pets, Alzheimer's patients slipped out of the house at any time anywhere..
- Easy installation(Supports both 2.4GHz& 5GHz Network): All accessories in the set are already paired before leaving the factory. This door alarm built in a Bluetooth module. you can easily connect to the network by turning on the Bluetooth of your phone and following the instructions..